Class: ActiveRecord::ConnectionAdapters::UnitRecordAdapter

Inherits:
AbstractAdapter
  • Object
show all
Defined in:
lib/active_record/connection_adapters/unit_record_adapter.rb

Constant Summary collapse

EXCEPTION_MESSAGE = 
"ActiveRecord is disconnected; database access is unavailable in unit tests."

Instance Method Summary collapse

Constructor Details

#initialize(config = {}) ⇒ UnitRecordAdapter

Returns a new instance of UnitRecordAdapter.



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# File 'lib/active_record/connection_adapters/unit_record_adapter.rb', line 4

def initialize(config = {})
  super
  @strategy = config[:strategy] || :raise
  @cached_columns = {"schema_info" => []}
end

Instance Method Details

#change_column(table_name, column_name, type, options = {}) ⇒ Object 



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# File 'lib/active_record/connection_adapters/unit_record_adapter.rb', line 72

def change_column(table_name, column_name, type, options = {})
  raise_or_noop
end

#change_column_default(table_name, column_name, default) ⇒ Object 



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# File 'lib/active_record/connection_adapters/unit_record_adapter.rb', line 76

def change_column_default(table_name, column_name, default)
  raise_or_noop
end

#change_strategy(new_strategy, &block) ⇒ Object 



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# File 'lib/active_record/connection_adapters/unit_record_adapter.rb', line 43

def change_strategy(new_strategy, &block)
  unless [:noop, :raise].include?(new_strategy.to_sym)
    raise ArgumentError, "#{new_strategy.inspect} is not a valid strategy - valid values are :noop and :raise"
  end
  begin
    old_strategy = @strategy
    @strategy = new_strategy.to_sym
    yield
  ensure
    @strategy = old_strategy
  end
end

#columns(table_name, name = nil) ⇒ Object

:nodoc:



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# File 'lib/active_record/connection_adapters/unit_record_adapter.rb', line 10

def columns(table_name, name = nil)#:nodoc:
  @cached_columns[table_name.to_s] ||
    raise("Columns are not cached for '#{table_name}' - check schema.rb")
end

#create_table(table_name, options = {}) {|table_definition| ... } ⇒ Object

Yields:

  • (table_definition) 


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# File 'lib/active_record/connection_adapters/unit_record_adapter.rb', line 15

def create_table(table_name, options={})
  table_definition = ActiveRecord::ConnectionAdapters::TableDefinition.new(self)
  table_definition.primary_key(options[:primary_key] || "id") unless options[:id] == false
  yield table_definition
  @cached_columns[table_name.to_s] =
    table_definition.columns.map do |c|
      ActiveRecord::ConnectionAdapters::Column.new(c.name.to_s, c.default, c.sql_type, c.null)
    end
end

#execute(sql, name = nil) ⇒ Object 



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# File 'lib/active_record/connection_adapters/unit_record_adapter.rb', line 56

def execute(sql, name = nil)
  raise_or_noop
end

#insert(sql, name = nil, pk = nil, id_value = nil, sequence_name = nil) ⇒ Object 



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# File 'lib/active_record/connection_adapters/unit_record_adapter.rb', line 60

def insert(sql, name = nil, pk = nil, id_value = nil, sequence_name = nil)
  raise_or_noop
end

#native_database_types ⇒ Object 



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# File 'lib/active_record/connection_adapters/unit_record_adapter.rb', line 25

def native_database_types
  # Copied from the MysqlAdapter so ColumnDefinition#sql_type will work
  {
    :primary_key => "int(11) DEFAULT NULL auto_increment PRIMARY KEY",
    :string      => { :name => "varchar", :limit => 255 },
    :text        => { :name => "text" },
    :integer     => { :name => "int", :limit => 11 },
    :float       => { :name => "float" },
    :decimal     => { :name => "decimal" },
    :datetime    => { :name => "datetime" },
    :timestamp   => { :name => "datetime" },
    :time        => { :name => "time" },
    :date        => { :name => "date" },
    :binary      => { :name => "blob" },
    :boolean     => { :name => "tinyint", :limit => 1 }
  }
end

#rename_column(table_name, column_name, new_column_name) ⇒ Object 



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# File 'lib/active_record/connection_adapters/unit_record_adapter.rb', line 80

def rename_column(table_name, column_name, new_column_name)
  raise_or_noop
end

#rename_table(table_name, new_name) ⇒ Object 



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# File 'lib/active_record/connection_adapters/unit_record_adapter.rb', line 68

def rename_table(table_name, new_name)
  raise_or_noop
end

#select_rows(sql, name = nil) ⇒ Object 



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# File 'lib/active_record/connection_adapters/unit_record_adapter.rb', line 64

def select_rows(sql, name = nil)
  raise_or_noop []
end

#tables ⇒ Object 



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# File 'lib/active_record/connection_adapters/unit_record_adapter.rb', line 84

def tables
  @cached_columns.keys
end